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Bryce Adelstein Lelbach

Chief Architect, NVIDIA

Bryce Adelstein Lelbach has spent over a decade developing programming languages and software libraries. He is a Principal Architect at NVIDIA, where he leads programming language standardization efforts and drives the technical roadmap for NVIDIA's HPC and Quantum compilers and libraries. Bryce is passionate about C++ and is one of the leaders of the C++ community. He is the chair of INCITS/PL22, the US standards committee for programming languages and the Standard C++ Library Evolution group. He also serves as editor for the INCITS Inclusive Terminology Guidelines. Bryce served as the program chair for the C++Now and CppCon conferences for many years. On the C++ Committee, he has personally worked on concurrency primitives, parallel algorithms, executors, and multidimensional arrays. He is one of the founding developers of the HPX parallel runtime system.

Topic

* Think Parallel

By default, we think sequentially. Parallelism and asynchrony are often seen as challenging and complex. Tools to be used sparingly and cautiously, and only by experts. But we must shatter these assumptions, for today, we live in a parallel world. Almost every hardware platform is parallel, from the smallest embedded devices to the largest supercomputers. We must change our mindset. Anyone who writes code must think in parallel. Parallelism must become our default. In this example-driven talk, we will journey into the world of parallelism. We'll look at different algorithms and data structures in depth, comparing and contrasting different implementation strategies and exploring how they will perform both sequentially and in parallel. During this voyage, we'll uncover and discuss some foundational principles of parallelism, such as latency hiding, localizing communication, and efficiency vs performance tradeoffs. By the time we're done, you'll be thinking in parallel.